GB551910A - Improvements in electric current timing devices for welding machines or the like - Google Patents

Improvements in electric current timing devices for welding machines or the like

Info

Publication number
GB551910A
GB551910A GB65742A GB65742A GB551910A GB 551910 A GB551910 A GB 551910A GB 65742 A GB65742 A GB 65742A GB 65742 A GB65742 A GB 65742A GB 551910 A GB551910 A GB 551910A
Authority
GB
United Kingdom
Prior art keywords
switch
condenser
resistance
welding
timing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB65742A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HAROLD KENNETH BASTERFIELD
Hoolden & Hunt Ltd
LESLIE VAUGHAN
Original Assignee
HAROLD KENNETH BASTERFIELD
Hoolden & Hunt Ltd
LESLIE VAUGHAN
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HAROLD KENNETH BASTERFIELD, Hoolden & Hunt Ltd, LESLIE VAUGHAN filed Critical HAROLD KENNETH BASTERFIELD
Priority to GB65742A priority Critical patent/GB551910A/en
Publication of GB551910A publication Critical patent/GB551910A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/28—Modifications for introducing a time delay before switching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/24—Electric supply or control circuits therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Generation Of Surge Voltage And Current (AREA)

Abstract

551,910. Control systems for resistance welding. HOOLDEN & HUNT, Ltd., VAUGHAN, L., BASTERFIELD, P.K., and MASON, G. A. E. Jan. 16, 1942, No: 657. [Class 38 (iv)] A current timing device employing a condenser started by a neon 'tube, particularly for resistance spot welding.. machines, has the timing circuit and the main switch. control circuit supplied from a single transformer 4. As shown; closure of a foot or pressure switch 6: energizes a coil 8 to close the main welding transformer: switch 9 and a switch 9a whereby current is supplied over rectifier to charge the timing condenser 28 at a rate determined by the setting of resistance, switches 22. When the condenser reaches the breakdown voltage of the neon tube 25, a relay 26 closes contact 26a. A relay 7a opens at 7 the main switch coil circuit, maintaining itself at 7b until the switch 6 is opened. An interlock contact 31 may be operated with contacts 9, 9a.
GB65742A 1942-01-16 1942-01-16 Improvements in electric current timing devices for welding machines or the like Expired GB551910A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB65742A GB551910A (en) 1942-01-16 1942-01-16 Improvements in electric current timing devices for welding machines or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB65742A GB551910A (en) 1942-01-16 1942-01-16 Improvements in electric current timing devices for welding machines or the like

Publications (1)

Publication Number Publication Date
GB551910A true GB551910A (en) 1943-03-15

Family

ID=9708209

Family Applications (1)

Application Number Title Priority Date Filing Date
GB65742A Expired GB551910A (en) 1942-01-16 1942-01-16 Improvements in electric current timing devices for welding machines or the like

Country Status (1)

Country Link
GB (1) GB551910A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504848A (en) * 1945-11-16 1950-04-18 Bendix Aviat Corp Resistance measuring apparatus
US2544685A (en) * 1946-02-20 1951-03-13 Frank H Jackson Testing device
US2743418A (en) * 1945-12-29 1956-04-24 Charles F Nichols Rc circuit tester

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504848A (en) * 1945-11-16 1950-04-18 Bendix Aviat Corp Resistance measuring apparatus
US2743418A (en) * 1945-12-29 1956-04-24 Charles F Nichols Rc circuit tester
US2544685A (en) * 1946-02-20 1951-03-13 Frank H Jackson Testing device

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